Home / 45,364.32-68,031.36-19,064.16

Finding the Fourth Proportional to 45,364.32, 68,031.36 and 19,064.16

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Solution

The fourth proportional to 45,364.32, 68,031.36 and 19,064.16 is: 28,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,364.32 : 68,031.36 = 19,064.16 : x
  2. Step 2: Convert to fraction form
    45,364.32/68,031.36 = 19,064.16/x
  3. Step 3: Cross multiply
    45,364.32x = 68,031.36 × 19,064.16
  4. Step 4: Simplify right side
    45,364.32x = 1,296,960,732.06
  5. Step 5: Solve for x
    x = 1,296,960,732.06/45,364.32
  6. Step 6: Final answer
    x = 28,589.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.